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Finding the Fourth Proportional to 222,428.92, 333,643.22 and 89,309.12

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Solution

The fourth proportional to 222,428.92, 333,643.22 and 89,309.12 is: 133,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,428.92 : 333,643.22 = 89,309.12 : x
  2. Step 2: Convert to fraction form
    222,428.92/333,643.22 = 89,309.12/x
  3. Step 3: Cross multiply
    222,428.92x = 333,643.22 × 89,309.12
  4. Step 4: Simplify right side
    222,428.92x = 29,797,380,257.40
  5. Step 5: Solve for x
    x = 29,797,380,257.40/222,428.92
  6. Step 6: Final answer
    x = 133,963.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.